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Fix Nginx Config Test Failed: Could Not Build Server_names_hash - PowerShell 504 Error: Gateway Timeout Fix for Windows Server-How to Resolve Localhost Connection Refused in Windows Terminal

Updated 2026-06-14 13:54:11windows-fixes
Fix Nginx Config Test Failed: Could Not Build Server_names_hash - PowerShell 504 Error: Gateway Timeout Fix for Windows Server-How to Resolve Localhost Connection Refused in Windows Terminal
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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